2PFR

Human N-acetyltransferase 2

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2IJA	pdb entry 2IJA

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	291	2.5 M Ammonium sulfate, 0.1M TRIS, pH 8.5, vapor diffusion, sitting drop, temperature 291K

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 130.063	α = 90
b = 130.063	β = 90
c = 111.23	γ = 90

Symmetry
Space Group	P 43 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU RAXIS		2006-09-07	M	SINGLE WAVELENGTH
2	1	x-ray		M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E	1.5418
2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1,2	1.92	30	100	0.133	7.9	7.4		139603

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1,2	1.92	1.99		100	0.997		6.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	pdb entry 2IJA	1.92	30	72932	2659	99.821	0.211	0.2094	0.2453	thin shells	21.755

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
0.061			0.061		-0.122

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.594
r_dihedral_angle_4_deg	13.579
r_dihedral_angle_3_deg	12.626
r_dihedral_angle_1_deg	6.196
r_scangle_it	3.505
r_mcangle_it	3.297
r_scbond_it	2.59
r_mcbond_it	2.458
r_angle_refined_deg	1.405
r_angle_other_deg	1.039
r_mcbond_other	0.612
r_symmetry_vdw_other	0.293
r_metal_ion_refined	0.215
r_nbd_refined	0.198
r_nbd_other	0.198
r_nbtor_refined	0.174
r_symmetry_hbond_refined	0.172
r_xyhbond_nbd_refined	0.146
r_chiral_restr	0.087
r_symmetry_vdw_refined	0.08
r_nbtor_other	0.078
r_bond_refined_d	0.017
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4580
Nucleic Acid Atoms
Solvent Atoms	278
Heterogen Atoms	158

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
ARP/wARP	model building
MolProbity	model building
Coot	model building